. Questions 10 12 utilize related information. A Washington Heights Corporation bond, which has a $1,000 par value and 6.3% stated annual coupon interest rate (with interest payments received semiannually), currently sells for a price of $974. The bond was issued four years ago with a 50-year original maturity, but it can be called by the issuing firm as early as ten years after the original issue date. If the bond is called, the holder receives a premium of $63, in addition to the par value, at the call date. QUESTION: PLEASE REFER TO THE ATACHMENT TO QUESTION 10 IN ANSWERING. Which of the five equations shown would you use in computing the bond holders YIELD TO MATURITY?